Sec. 20.33. In undercut coal, no hole shall be drilled "on the solid" for any part of its length.
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/il/chapter-225/act-705/20-33A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Sec. 20.33. In undercut coal, no hole shall be drilled "on the solid" for any part of its length.